Pack More in Less Space: Compression design of the packing cubes save 30%-40% storage space, allowing you to pack more in suitcase, compact your packing and secure clothing inside. Packing cubes of different sizes can hold your clothing by type Set Includes: 1*Large (15.7x11.8x3.9 inches), 2*Medium (13.7x9.8x3.9 inches), 1*Small (11.8x7.8x3.9 inches). These cubes are deal for family vacations, business trips, outdoor camping, and daily storage These packing organizers are made of nylon fabric and have PU coating that makes it water resistant. So they can effectively protect your clothing, and won't add to your load How to Compress: 1. fold and flatten clothes; 2. pack clothes in the cube and zip the front zipper; 3. Put a finger on the back of the middle zipper when compressing to avoid zipper get stuck in fabric Product Design Details: this suitcase organizer bag set uses smooth double-way zipper design to save space and keep everything organized. The reinforced seams ensure long-lasting use life 4pcs Travel Packing Cubes, Multifunction Travel Cubes Luggage Organiser Travel Compression Suitcase Bags